Gatfield No 1

ROCK CREEK PAYETTE RIVER· Gem, Idaho· Built 1938· 16 ft tall
Significant Hazard Other Private

Key Takeaway

Gatfield No 1 is classified as significant hazard in Idaho. It was completed in 1938 and is 88 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 16 ft (taller than 13.6% in ID)
Dam Length400 ft
Normal Storage14 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Max Discharge26 cfs
Year Completed1938 (88 years old)
NID IDID00548

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 25, 2020
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gatfield No 1?

Gatfield No 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Gatfield No 1?

Gatfield No 1 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gatfield No 1 built?

Gatfield No 1 was completed in 1938, making it 88 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Gatfield No 1?

Gatfield No 1 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gatfield No 1?

Gatfield No 1 has a dam height of 16 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Gatfield No 1 last inspected?

Gatfield No 1 was last inspected on June 25, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.